forked from Rust-related/RustPython
29 lines
739 B
Python
29 lines
739 B
Python
from testutils import assert_raises
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assert len(dict()) == 0
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assert len({}) == 0
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assert len({"a": "b"}) == 1
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assert len({"a": "b", "b": 1}) == 2
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assert len({"a": "b", "b": 1, "a" + "b": 2*2}) == 3
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d = {}
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d['a'] = d
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assert repr(d) == "{'a': {...}}"
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assert {'a': 123}.get('a') == 123
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assert {'a': 123}.get('b') == None
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assert {'a': 123}.get('b', 456) == 456
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d = {'a': 123, 'b': 456}
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assert list(reversed(d)) == ['b', 'a']
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assert list(reversed(d.keys())) == ['b', 'a']
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assert list(reversed(d.values())) == [456, 123]
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assert list(reversed(d.items())) == [('b', 456), ('a', 123)]
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with assert_raises(StopIteration):
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dict_reversed = reversed(d)
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for _ in range(len(d) + 1):
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next(dict_reversed)
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assert 'dict' in dict().__doc__
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